int main(int argc, char **argv){
char c;
char *cores = NULL;
char *nodes = NULL;
int shuffle = 0;
struct shared_state s = {};
while ((c = getopt(argc, argv, "+vVsc:n:SN")) != -1) {
switch (c) {
case 'c':
if(cores) {
fprintf(stderr, "-c or -n already used !\n");
exit(EXIT_FAILURE);
}
cores = strdup(optarg);
break;
case 'n':
if(nodes || cores) {
fprintf(stderr, "-c or -n already used !\n");
exit(EXIT_FAILURE);
}
nodes = strdup(optarg);
break;
case 'N':
s.per_node = 1;
break;
case 's':
shuffle = 1;
break;
case 'S':
s.server = 1;
break;
case 'v':
s.verbose = 1;
break;
case 'V':
s.verbose = 1;
s.verbose_err = 1;
break;
default:
usage(argv[0]);
}
}
if(!cores && !nodes)
cores = build_default_affinity_string(shuffle);
if(optind == argc)
usage(argv[0]);
argv += optind;
char *lib = get_lib_path();
setenv("LD_PRELOAD", lib, 1);
free(lib);
int *cores_array;
if(cores) {
parse_cores(cores, &cores_array, &s.nr_entries_in_cores, 0);
} else {
parse_cores(nodes, &cores_array, &s.nr_entries_in_cores, 1);
}
char *uniq_shm_name = NULL;
assert(asprintf(&uniq_shm_name, "%s_%d", "/tmp/shm", gettid()));
assert(create_shm(uniq_shm_name, &s, cores_array));
setenv("PINTHREADS_SHMID", uniq_shm_name, 1);
setenv("PINTHREADS_SHMSIZE", get_shm_size(), 1);
free(uniq_shm_name);
execvp(argv[0], argv);
perror("execvp");
fprintf(stderr,"failed to execute %s\n", argv[0]);
cleanup_shm(uniq_shm_name);
return EXIT_SUCCESS;
}
int parse_config(char *config_file) {
config_t config;
int ret = -1;
config_setting_t *rtdal,*dac;
const char *tmp;
int single_timer;
int time_slot_us;
config_init(&config);
if (!config_read_file(&config, config_file)) {
aerror_msg("line %d - %s: \n", config_error_line(&config),
config_error_text(&config));
goto destroy;
}
rtdal = config_lookup(&config, "rtdal");
if (!rtdal) {
aerror("Error parsing config file: rtdal section not found.\n");
goto destroy;
}
if (!config_setting_lookup_int(rtdal, "time_slot_us", &time_slot_us)) {
aerror("time_slot_us field not defined\n");
goto destroy;
}
if (!config_setting_lookup_string(rtdal, "cores", &tmp)) {
aerror("cores field not defined\n");
goto destroy;
}
nof_cores = parse_cores((char*) tmp);
if (nof_cores < 0) {
printf("Error invalid cores %s\n",tmp);
exit(0);
}
if (!config_setting_lookup_bool(rtdal, "enable_usrp", &using_uhd)) {
aerror("enable_usrp field not defined\n");
goto destroy;
}
if (!config_setting_lookup_bool(rtdal, "timer_mode_single", &single_timer)) {
aerror("timer_mode_single field not defined\n");
goto destroy;
}
if (using_uhd) {
if (single_timer) {
clock_source = SINGLE_TIMER;
} else {
clock_source = DAC;
}
} else {
if (single_timer) {
clock_source = SINGLE_TIMER;
} else {
clock_source = MULTI_TIMER;
}
}
if (!config_setting_lookup_string(rtdal, "path_to_libs", &tmp)) {
aerror("path_to_libs field not defined\n");
goto destroy;
}
strcpy(libs_path,tmp);
if (using_uhd) {
dac = config_lookup(&config, "dac");
if (!dac) {
aerror("Error parsing config file: dac section not found.\n");
goto destroy;
}
#ifdef HAVE_UHD
double tmp;
if (!config_setting_lookup_float(dac, "samp_freq", &dac_cfg.inputFreq)) {
aerror("samp_freq field not defined\n");
goto destroy;
}
dac_cfg.outputFreq = dac_cfg.inputFreq;
if (!config_setting_lookup_float(dac, "rf_freq", &dac_cfg.inputRFFreq)) {
aerror("rf_freq field not defined\n");
goto destroy;
}
dac_cfg.outputRFFreq = dac_cfg.inputRFFreq;
if (!config_setting_lookup_float(dac, "rf_gain", &tmp)) {
aerror("rf_gain field not defined\n");
goto destroy;
}
dac_cfg.tx_gain = tmp;
dac_cfg.rx_gain = tmp;
if (!config_setting_lookup_float(dac, "if_bw", &tmp)) {
aerror("rf_gain field not defined\n");
goto destroy;
}
dac_cfg.tx_bw = tmp;
dac_cfg.rx_bw = tmp;
if (!config_setting_lookup_bool(dac, "sample_is_short", &dac_cfg.sampleType)) {
aerror("rf_gain field not defined\n");
goto destroy;
}
if (!config_setting_lookup_int(dac, "block_size", &dac_cfg.NsamplesIn)) {
aerror("block_size field not defined\n");
goto destroy;
}
dac_cfg.NsamplesOut = dac_cfg.NsamplesIn;
if (!config_setting_lookup_bool(dac, "chain_is_tx", &dac_cfg.chain_is_tx)) {
aerror("chain_is_tx field not defined\n");
goto destroy;
}
dac_cfg.sampleType = 0;
dac_cfg.nof_channels = 1;
uhd_readcfg(&dac_cfg);
#endif
}
if (using_uhd) {
#ifdef HAVE_UHD
timeslot_us = (long int) 1000000*((float) dac_cfg.NsamplesOut/dac_cfg.outputFreq);
#endif
} else {
timeslot_us = time_slot_us;
}
ret=0;
destroy:
config_destroy(&config);
return ret;
}
